Tool holder assembly



FIG. 1 is a front, left, top isometric view;

FIG. 2 is a front, left, bottom isometric view;

FIG. 3 is a right side elevation view;

FIG. 4 is a left side elevation view,

FIG. 5 is a front side elevation view;

FIG. 6 is a back side elevation view;

FIG. 7 is an enlarged top plan view; and,

FIG. 8 is an enlarged bottom plan view.

The broken lines in the figures show portions of the tool holder assembly that form no part of the claimed design. 

CLAIM The ornamental design for a tool holder assembly, as shown and described. 